<template>
    <div class="header">
        <div class="nav-topbar">
            <div class="container">
                <div class="topbar-menu">
                    <a href="JavaScript:;">小米商城</a>
                    <a href="JavaScript">MUI</a>
                    <a href="JavaScript">协议规则</a>
                    <a href="JavaScript">协议规则</a>
                </div>
                <div class="topbar-user">
                    <a href="JavaScript:;" v-if="username">{{username}}</a>
                    <a href="JavaScript:;" v-if="!username" @click="login">登录</a>
                    <a href="JavaScript:;" v-if="username" @click="logout">退出</a>
                    <a href="JavaScript" v-if="username">我的订单</a>
                    <a href="JavaScript" class="my-cart" @click="goToCart">
                        <span class="icon-cart"></span>
                        购物车({{cartCount}})
                    </a>
                </div>
            </div>
        </div>
        <div class="nav-header">
            <div class="container">
                <div class="header-logo">
                    <a href="/#/index"></a>
                </div>
                <div class="header-menu">
                    <div class="item-menu">
                        <span>小米手机</span>
                        <div class="children">
                          <ul>
                              <li class="product" v-for="(item,index) in phoneList" :key="index">
                                <a v-bind:href="'/#/product'+item.id" target="_blank">
                                    <div class="pro-img">
                                        <img v-lazy="item.mainImage" :alt="item.subtitle">
                                    </div>
                                    <div class="pro-name">{{item.name}}</div>
                                    <div class="pro-price">{{item.price | currency}}</div>
                                </a>
                              </li>
                            </ul>  
                        </div>
                    </div>
                    <div class="item-menu">
                        <span>RedMi红米</span>
                        <div class="children"></div>
                    </div>
                    <div class="item-menu">
                        <span>电视</span>
                        <div class="children">
                          <ul>
                              <li class="product">
                                <a href="" target="_blank">
                                    <div class="pro-img">
                                        <img v-lazy="'/imgs/nav-img/nav-3-1.jpg'" alt="">
                                    </div>
                                    <div class="pro-name">小米cc9</div>
                                    <div class="pro-price">1799元</div>
                                </a>
                              </li>
                              <li class="product">
                                <a href="" target="_blank">
                                    <div class="pro-img">
                                        <img v-lazy="'/imgs/nav-img/nav-3-2.jpg'" alt="">
                                    </div>
                                    <div class="pro-name">小米cc9</div>
                                    <div class="pro-price">1799元</div>
                                </a>
                              </li>
                               <li class="product">
                                <a href="" target="_blank">
                                    <div class="pro-img">
                                        <img v-lazy="'/imgs/nav-img/nav-3-3.png'" alt="">
                                    </div>
                                    <div class="pro-name">小米cc9</div>
                                    <div class="pro-price">1799元</div>
                                </a>
                              </li>
                              <li class="product">
                                <a href="" target="_blank">
                                    <div class="pro-img">
                                        <img v-lazy="'/imgs/nav-img/nav-3-4.jpg'" alt="">
                                    </div>
                                    <div class="pro-name">小米cc9</div>
                                    <div class="pro-price">1799元</div>
                                </a>
                              </li>
                               <li class="product">
                                <a href="" target="_blank">
                                    <div class="pro-img">
                                        <img v-lazy="'/imgs/nav-img/nav-3-5.jpg'" alt="">
                                    </div>
                                    <div class="pro-name">小米cc9</div>
                                    <div class="pro-price">1799元</div>
                                </a>
                              </li>
                              <li class="product">
                                <a href="" target="_blank">
                                    <div class="pro-img">
                                        <img src="/imgs/nav-img/nav-3-6.png" alt="">
                                    </div>
                                    <div class="pro-name">小米cc9</div>
                                    <div class="pro-price">1799元</div>
                                </a>
                              </li>
                            </ul>
                        </div>
                    </div>
                </div>
                <div class="header-search">
                    <div class="wrapper">
                        <input type="text" name="keyword">
                        <a href="javascrip:;"></a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</template>
<script>
import {mapState} from 'vuex'
export default {
  name: "nav-header",
  data() {
    return {
      phoneList:[]
    }
  },
  computed:{
    // username(){
    //   return this.$store.state.username;
    // },
    // cartCount(){
    //   return this.$store.state.cartCount;
    // },
   ...mapState(['username','cartCount'])
  },


  filters:{
    currency(val){
      if(!val)return '0.00';
      return '¥'+val.toFixed(2)+'元';

    }
  },
  mounted() {
    this.getProductList();
    let params=this.$route.params
    console.log(this.$cookie)
    if (params&&params.from=='login') {
      this.getCartCount();
    }
  },
  methods: {
    login(){
      this.$router.push('/login');
    },
    getProductList(){
      this.axios.get('./products',{
        params:{
          categoryId:'100012',
          pageSize:6
        }
      }).then((res)=>{
        this.phoneList=res.list
      })
    },
    logout(){
      this.axios.post('/user/logout').then(()=>{
        this.$message.success('退出成功');
        this.$cookie.set('userId','',{expires:'-1'});
        this.$store.dispatch('saveUserName','');
        this.$store.dispatch('saveCartCount','0')
      })
    },
    getCartCount(){
      this.axios.get('/carts/products/sum').then((res=0)=>{
        //to-do 保存到vuex里面
        this.$store.dispatch('saveCartCount',res);
      })
    },
    goToCart(){
      this.$router.push('/cart');
      console.log("去购物车")
    }
  },
};
</script>
<style lang="scss">
@import "./../assets/scss/base.scss";
@import "./../assets/scss/mixin.scss";
@import "./../assets/scss/config.scss";
.header {
  .nav-topbar {
    height: 39px;
    line-height: 39px;
    background-color: #333333;
    color: #b0b0b0;
    .container {
      @include flex();
      a {
        display: inline-block;
        color: #b0b0b0;
        margin-right: 17px;
      }
      .my-cart {
        background-color: #ff6600;
        text-align: center;
        color: #ffffff;
        margin-right: 0;
        .icon-cart {
          @include bgImg(16px, 12px, "/imgs/icon-cart-checked.png");
          margin-right: 4px;
        }
      }
    }
  }
  .nav-header {
    .container {
      position: relative;
      height: 112px;
      @include flex();
      .header-menu {
        display: inline-block;
        width: 643px;
        padding-left: 209px;
        .item-menu {
          display: inline-block;
          color: #333333;
          font-weight: bold;
          font-size: 16px;
          line-height: 112px;
          margin-right: 20px;
          span {
            cursor: pointer;
          }
          &:hover {
            color: $colorA;
            .children {
              height: 220px;
              opacity: 1;
            }
          }
          .children {
            position: absolute;
            top: 112px;
            left: 0;
            width: 1226px;
            height: 0;
            opacity: 0;
            overflow: hidden;
            border-top: 1px solid #e5e5e5;
            box-shadow: 0px 7px 6px 0px rgba(0, 0, 0, 0.11);
            z-index: 10;
            transition: all 0.5s;
            background-color: #ffffff;
            .product {
              position: relative;
              float: left;
              width: 16.6%;
              height: 220px;
              font-size: 12px;
              line-height: 12px;
              text-align: center;
              a {
                display: inline-block;
              }
              img {
                width: auto;
                height: 111px;
                margin-top: 26px;
              }
              .pro-img {
                height: 137px;
              }
              .pro-name {
                font-weight: bold;
                margin-top: 19px;
                margin-bottom: 8px;
                color: $colorB;
              }
              .pro-price {
                color: $colorA;
              }
              &:before {
                content: " ";
                position: absolute;
                top: 28px;
                right: 0;
                border-left: 1px solid $colorF;
                height: 100px;
                width: 1px;
              }
              &:last-child:before {
                display: none;
              }
            }
          }
        }
      }
      .header-search {
        width: 319px;
        .wrapper {
          height: 50px;
          border: 1px solid #e0e0e0;
          display: flex;
          align-items: center;
          input {
            border: none;
            box-sizing: border-box;
            border-right: 1px solid #e0e0e0;
            width: 264px;
            height: 50px;
            padding-left: 14px;
          }
          a {
            @include bgImg(18px, 18px, "/imgs/icon-search.png");
            margin-left: 17px;
          }
        }
      }
    }
  }
}
</style>


